Ronnie Fass, MD, FACG, Professor of Medicine, Case Western Reserve University, Director, Division of Gastroenterology and Hepatology, Head of Esophageal and Swallowing Center, Metrohealth Medical Center, Cleveland, OH, USAFahmi Sibili, MD, Research Fellow, Case Western Reserve University, Esophageal and Swallowing Center, Metrohealth Medical Center, Cleveland, OH, USAYoshitaka Kitayama, MD, PhD, Research Fellow, Case Western Reserve University, Esophageal and Swallowing Center, Metrohealth Medical Center, Cleveland, OH, USA